CVE 2011-0191
Buffer overflow in LibTIFF 3.9.4 and possibly other versions, as used in ImageIO in Apple iTunes before 10.2 on Windows and other products, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted TIFF image with JPEG encoding.
See the 
CVE page on Mitre.org
for more details.
